题目内容
They _____ squeaks and gauge their environment based on the echo returned.
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Many visitors, surfers included, opt to _____ a tent on the campgrounds located on the edge of town.
The constitution prohibits foreign ownership of land, with _____ condominiums (公寓) being the only exception in practice.
Like many emerging-markets funds, it’s costly, with a maximum _____ sales charge of 50%.
Successful applicants will receive a social security number and will be _____ to work legally.
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